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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
6 | 6 |
7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
8 // | 8 // |
9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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3267 &if_true, &if_false, &fall_through); | 3267 &if_true, &if_false, &fall_through); |
3268 | 3268 |
3269 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | 3269 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
3270 __ SmiTst(v0, a4); | 3270 __ SmiTst(v0, a4); |
3271 Split(eq, a4, Operand(zero_reg), if_true, if_false, fall_through); | 3271 Split(eq, a4, Operand(zero_reg), if_true, if_false, fall_through); |
3272 | 3272 |
3273 context()->Plug(if_true, if_false); | 3273 context()->Plug(if_true, if_false); |
3274 } | 3274 } |
3275 | 3275 |
3276 | 3276 |
3277 void FullCodeGenerator::EmitIsNonNegativeSmi(CallRuntime* expr) { | |
3278 ZoneList<Expression*>* args = expr->arguments(); | |
3279 DCHECK(args->length() == 1); | |
3280 | |
3281 VisitForAccumulatorValue(args->at(0)); | |
3282 | |
3283 Label materialize_true, materialize_false; | |
3284 Label* if_true = NULL; | |
3285 Label* if_false = NULL; | |
3286 Label* fall_through = NULL; | |
3287 context()->PrepareTest(&materialize_true, &materialize_false, | |
3288 &if_true, &if_false, &fall_through); | |
3289 | |
3290 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | |
3291 __ NonNegativeSmiTst(v0, at); | |
3292 Split(eq, at, Operand(zero_reg), if_true, if_false, fall_through); | |
3293 | |
3294 context()->Plug(if_true, if_false); | |
3295 } | |
3296 | |
3297 | |
3298 void FullCodeGenerator::EmitIsSpecObject(CallRuntime* expr) { | 3277 void FullCodeGenerator::EmitIsSpecObject(CallRuntime* expr) { |
3299 ZoneList<Expression*>* args = expr->arguments(); | 3278 ZoneList<Expression*>* args = expr->arguments(); |
3300 DCHECK(args->length() == 1); | 3279 DCHECK(args->length() == 1); |
3301 | 3280 |
3302 VisitForAccumulatorValue(args->at(0)); | 3281 VisitForAccumulatorValue(args->at(0)); |
3303 | 3282 |
3304 Label materialize_true, materialize_false; | 3283 Label materialize_true, materialize_false; |
3305 Label* if_true = NULL; | 3284 Label* if_true = NULL; |
3306 Label* if_false = NULL; | 3285 Label* if_false = NULL; |
3307 Label* fall_through = NULL; | 3286 Label* fall_through = NULL; |
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5068 Label* if_false = NULL; | 5047 Label* if_false = NULL; |
5069 Label* fall_through = NULL; | 5048 Label* fall_through = NULL; |
5070 context()->PrepareTest(&materialize_true, &materialize_false, | 5049 context()->PrepareTest(&materialize_true, &materialize_false, |
5071 &if_true, &if_false, &fall_through); | 5050 &if_true, &if_false, &fall_through); |
5072 | 5051 |
5073 Token::Value op = expr->op(); | 5052 Token::Value op = expr->op(); |
5074 VisitForStackValue(expr->left()); | 5053 VisitForStackValue(expr->left()); |
5075 switch (op) { | 5054 switch (op) { |
5076 case Token::IN: | 5055 case Token::IN: |
5077 VisitForStackValue(expr->right()); | 5056 VisitForStackValue(expr->right()); |
5078 __ InvokeBuiltin(Context::IN_BUILTIN_INDEX, CALL_FUNCTION); | 5057 __ CallRuntime(Runtime::kHasProperty, 2); |
5079 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); | 5058 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); |
5080 __ LoadRoot(a4, Heap::kTrueValueRootIndex); | 5059 __ LoadRoot(a4, Heap::kTrueValueRootIndex); |
5081 Split(eq, v0, Operand(a4), if_true, if_false, fall_through); | 5060 Split(eq, v0, Operand(a4), if_true, if_false, fall_through); |
5082 break; | 5061 break; |
5083 | 5062 |
5084 case Token::INSTANCEOF: { | 5063 case Token::INSTANCEOF: { |
5085 VisitForAccumulatorValue(expr->right()); | 5064 VisitForAccumulatorValue(expr->right()); |
5086 __ mov(a0, result_register()); | 5065 __ mov(a0, result_register()); |
5087 __ pop(a1); | 5066 __ pop(a1); |
5088 InstanceOfStub stub(isolate()); | 5067 InstanceOfStub stub(isolate()); |
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5346 reinterpret_cast<uint64_t>( | 5325 reinterpret_cast<uint64_t>( |
5347 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5326 isolate->builtins()->OsrAfterStackCheck()->entry())); |
5348 return OSR_AFTER_STACK_CHECK; | 5327 return OSR_AFTER_STACK_CHECK; |
5349 } | 5328 } |
5350 | 5329 |
5351 | 5330 |
5352 } // namespace internal | 5331 } // namespace internal |
5353 } // namespace v8 | 5332 } // namespace v8 |
5354 | 5333 |
5355 #endif // V8_TARGET_ARCH_MIPS64 | 5334 #endif // V8_TARGET_ARCH_MIPS64 |
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